On Fri, Jun 07, 2019 at 02:58:51AM +1000, Vladimir Yerilov wrote: > Finally I can name the first bad commit: > > git bisect good > ad74b8649beaf1a22cf8641324e3321fa0269d16 is the first bad commit > commit ad74b8649beaf1a22cf8641324e3321fa0269d16 > Author: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx> > Date: Tue Apr 23 17:21:48 2019 +0300 > > usb: typec: ucsi: Preliminary support for alternate modes > > With UCSI the alternate modes, just like everything else > related to USB Type-C connectors, are handled in firmware. > The operating system can see the status and is allowed to > request certain things, for example entering and exiting the > modes, but the support for alternate modes is very limited > in UCSI. The feature is also optional, which means that even > when the platform supports alternate modes, the operating > system may not be even made aware of them. > > UCSI does not support direct VDM reading or writing. > Instead, alternate modes can be entered and exited using a > single custom command which takes also an optional SVID > specific configuration value as parameter. That means every > supported alternate mode has to be handled separately in > UCSI driver. > > This commit does not include support for any specific > alternate mode. The discovered alternate modes are now > registered, but binding a driver to an alternate mode will > not be possible until support for that alternate mode is > added to the UCSI driver. > > Tested-by: Ajay Gupta <ajayg@xxxxxxxxxx> > Signed-off-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx> > Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > > :040000 040000 f19a610d131d6d3e6397934562dd6112e78b2415 > 76df0e463eeacf57157adba0291fc9577c7d5145 M dr > ivers > > git bisect log > git bisect start > # bad: [132d68d37d33f1d0b9c1f507c8b4d64c27ecec8a] Merge tag > 'usb-5.2-rc1' of git://git.kernel.org/pub/scm/ > linux/kernel/git/gregkh/usb > git bisect bad 132d68d37d33f1d0b9c1f507c8b4d64c27ecec8a > # good: [86dc59e39031fb0d366d5b1f92db015b24bef70b] net: dsa: sja1105: > Make 'sja1105et_regs' and 'sja1105pq > rs_regs' static > git bisect good 86dc59e39031fb0d366d5b1f92db015b24bef70b > # good: [80f232121b69cc69a31ccb2b38c1665d770b0710] Merge > git://git.kernel.org/pub/scm/linux/kernel/git/dav > em/net-next > git bisect good 80f232121b69cc69a31ccb2b38c1665d770b0710 > # good: [5d438e200215f61ca6a7aa69f3c4e035ac54d8ee] usb: typec: ucsi: > ccg: add get_fw_info function > git bisect good 5d438e200215f61ca6a7aa69f3c4e035ac54d8ee > # bad: [6f6a407a591ebe3e4c6bd2329b29862b3980a3ca] Merge tag > 'usb-serial-5.2-rc1' of https://git.kernel.org > /pub/scm/linux/kernel/git/johan/usb-serial into usb-next > git bisect bad 6f6a407a591ebe3e4c6bd2329b29862b3980a3ca > # bad: [e823d948b7e53dc982c867ac4ce7877fc0418897] usb: musb: dsps: Use > dev_get_drvdata() > git bisect bad e823d948b7e53dc982c867ac4ce7877fc0418897 > # bad: [6fee3787ea7aebf25fecdce325ee9b2150c5727b] dt-bindings: > usb-xhci: Add r8a774c0 support > git bisect bad 6fee3787ea7aebf25fecdce325ee9b2150c5727b > # bad: [cf28369c634fafb5f4e81750cba6988cdb4b4490] usb: typec: Add > driver for NVIDIA Alt Modes > git bisect bad cf28369c634fafb5f4e81750cba6988cdb4b4490 > # bad: [ad74b8649beaf1a22cf8641324e3321fa0269d16] usb: typec: ucsi: > Preliminary support for alternate mode > s > git bisect bad ad74b8649beaf1a22cf8641324e3321fa0269d16 > # good: [5c9ae5a87573d38cfc4c740aafda2fa6ce06e401] usb: typec: ucsi: > ccg: add firmware flashing support > git bisect good 5c9ae5a87573d38cfc4c740aafda2fa6ce06e401 > # first bad commit: [ad74b8649beaf1a22cf8641324e3321fa0269d16] usb: > typec: ucsi: Preliminary support for a > lternate modes > > Best regards, > Vladimir Heikki, any thoughts? Vladimir, can you post the oops message again? I don't see it here in the email thread anymore. thanks, greg k-h
